package com.itheima.d1_map_impl;

import java.util.LinkedHashMap;

/*
    目标：掌握LinkedHashMap的底层原理。
 */
public class Test2LinkedHashMap {
    public static void main(String[] args) {
        LinkedHashMap<Integer, String> map = new LinkedHashMap<Integer, String>();
        map.put(1, "one");
        map.put(2, "two");
        map.put(3, "three");
        System.out.println(map);
    }
}
